package com.heima.kafka.controller;

import com.alibaba.fastjson.JSON;
import com.heima.kafka.pojo.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.kafka.core.KafkaTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class HelloController {

    @Autowired
    private KafkaTemplate<String,String> kafkaTemplate;

//    @GetMapping("/hello")
//    public String hello(){
//        kafkaTemplate.send("itcast-topic","黑马程序员");
//        return "ok";
//    }
@GetMapping("/hello")
public String hello(){
    User user = new User();
    user.setUsername("xiaowang");
    user.setAge(18);

    kafkaTemplate.send("user-topic", JSON.toJSONString(user));

    return "ok";
}
}